UF, a WOX gene, regulates a novel phenotype of un-fused flower in tomato.
UF, a WOX gene, regulates a novel phenotype of un-fused flower in tomato.
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UF 是一种 WOX 基因，可调节番茄中未融合花的新表型。
DOI：
10.1016/j.plantsci.2020.110523
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发表时间：
2020-08
期刊：
影响因子：
5.2
通讯作者：
Zhang Junhong
中科院分区：
文献类型：
--
作者：
Zhang Chunli;Wang Jiafa;Wang Xin;Li Changxing;Ye Zhibiao;Zhang Junhong
Flower formation is a basic condition for fruit set in all flowering plants. The normal stamen of tomato flower fused together to form a yellow cylinder surrounding the carpels. In this study, we identified anun-fused flower(uf) tomato mutant that is defective in petal, carpal and stamen fusion and lateral outgrowth. After RNA-seq-based BSA (BSR), the candidate region location was identified in the long arm of chromosome 3. Using map-based cloning with InDel and CAPS markers, theUFcandidate gene was mapped in a 104 kb region. In this region, aWOX(WUSCHEL-related homeobox) transcription factorSlWOX1was considered as a candidate ofUFas there is a 72bp deletion in its second exon inufmutant. The mutations ofSlWOX1generated by CRISPR/CAS9 approach under wild-type background reproduced the phenotypes ofufmutant, indicating that theSlWOX1gene is indeed UF. Interestingly, expression analysis of organ lateral polarity determinant genes showed that abaxial genes (SlYABBY5andSlARF4) and adaxial genes (ASandHD-ZIPIII) were significantly down-regulated in theufmutant, which is different to that inArabidopsisand petunia. In conclusion, this work revealed a novel function ofSlWOX1in the regulation of flower development in tomato.
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影响因子：
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作者：
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通讯作者：
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影响因子：
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64.5
作者：
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通讯作者：
MEYEROWITZ, EM